If you are located in United States and Canada you can currently download AutoCAD 2010 in a fully functioning 30 day trial version.
You can try the new features like the new Free-Form modeling with the new 3D mesh objects, convert mesh to solids, geometric constraints and parametrics, PDF underlay, Dynamic Block enhancements, Hatch enhancements, 3D Printing, performance increases, and more. Get Details on Features
Go ahead and download and give AutoCAD 2010 a spin around the blocks.
